1053659-56-5 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 1053659-56-5 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,0,5,3,6,5 and 9 respectively; the second part has 2 digits, 5 and 6 respectively.
Calculate Digit Verification of CAS Registry Number 1053659-56:
(9*1)+(8*0)+(7*5)+(6*3)+(5*6)+(4*5)+(3*9)+(2*5)+(1*6)=155
155 % 10 = 5
So 1053659-56-5 is a valid CAS Registry Number.